<SEC-DOCUMENT>0001535610-21-000030-index.html : 20210105
<SEC-HEADER>0001535610-21-000030.hdr.sgml : 20210105
<ACCEPTANCE-DATETIME>20210105155514
ACCESSION NUMBER:		0001535610-21-000030
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210105
DATE AS OF CHANGE:		20210105

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MoSys, Inc.
		CENTRAL INDEX KEY:			0000890394
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				770291941
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-78033
		FILM NUMBER:		21505309

	BUSINESS ADDRESS:	
		STREET 1:		2309 BERING DRIVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95131
		BUSINESS PHONE:		408 418 7500

	MAIL ADDRESS:	
		STREET 1:		2309 BERING DRIVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95131

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MONOLITHIC SYSTEM TECHNOLOGY INC
		DATE OF NAME CHANGE:	19960613

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SABBY MANAGEMENT, LLC
		CENTRAL INDEX KEY:			0001535610
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		10 MOUNTAINVIEW ROAD
		STREET 2:		SUITE 205
		CITY:			UPPER SADDLE RIVER
		STATE:			NJ
		ZIP:			07458
		BUSINESS PHONE:		646-307-4527

	MAIL ADDRESS:	
		STREET 1:		10 MOUNTAINVIEW ROAD
		STREET 2:		SUITE 205
		CITY:			UPPER SADDLE RIVER
		STATE:			NJ
		ZIP:			07458
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>mosy0121.txt
<DESCRIPTION>SABBY 13G-A MOSY 1.05.21
<TEXT>
Document 1 - file: mosy0121.txt

</DOCUMENT>
</SEC-DOCUMENT>